What gas do plants take in for photosynthesis?
AnswerCarbon dioxide
Plants use carbon dioxide, water and light to make sugars.
Science · Facts & stats
Life's facts & stats
7 fact-checked facts about life, living things and the biology of life, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which molecule carries genetic information in most living things?
AnswerDNA
DNA stores the genetic instructions for living organisms.
Going deeper
Who proposed the theory of evolution by natural selection alongside Alfred Russel Wallace?
AnswerCharles Darwin
Darwin and Wallace presented natural selection in 1858.
Who is known as the father of genetics for his pea plant experiments?
AnswerGregor Mendel
Mendel's pea experiments revealed basic rules of inheritance.
Which kingdom do mushrooms belong to?
AnswerFungi
Mushrooms are fungi, not plants.
Expert level
Who first used the word 'cell' to describe structures seen under a microscope?
AnswerRobert Hooke
Robert Hooke described cork 'cells' in Micrographia (1665).
Which scientist devised the two-part naming system for species?
AnswerCarl Linnaeus
Linnaeus popularized binomial nomenclature in the 1700s.
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